package jm.data.structure.array;

/**
 * @Description 线性表测试
 * @date 2022/4/5 10:02
 */
public class Main {
    public static void main(String[] args) {

        java.util.ArrayList<Integer> list2 = new java.util.ArrayList<>();


        ArrayList<Integer> list = new ArrayList<>();
        for (int i = 0; i < 199; i++) {
            list.add(i);
        }
        list.add(null);
        boolean contains = list.contains(null);
        System.out.println(contains);
    }
}
